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Finding the Fourth Proportional to 18,884.96, 26,063.28 and 10,927.04

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Solution

The fourth proportional to 18,884.96, 26,063.28 and 10,927.04 is: 15,080.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884.96 : 26,063.28 = 10,927.04 : x
  2. Step 2: Convert to fraction form
    18,884.96/26,063.28 = 10,927.04/x
  3. Step 3: Cross multiply
    18,884.96x = 26,063.28 × 10,927.04
  4. Step 4: Simplify right side
    18,884.96x = 284,794,503.09
  5. Step 5: Solve for x
    x = 284,794,503.09/18,884.96
  6. Step 6: Final answer
    x = 15,080.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.